Allow workflow_dispatch to run the syncer

Author: josvazg

.github/workflows/sync-helm-charts.yaml

@@ -9,7 +9,8 @@ on:
 
 jobs:
   verify-helm-changes:
-    if: github.event.pull_request.merged == true && !startsWith(github.event.pull_request.title, 'dependabot')
+    if: github.event.pull_request.merged == true && !startsWith(github.event.pull_request.title, 'dependabot') || 
+  github.event_name == 'workflow_dispatch'
     name: Verify if AKO helm charts need updates
     runs-on: ubuntu-latest
     environment: release